Our sci-fi porn games catalogue counts dozens of them in total. Compilation of Sci-Fi Sex Games includes best adult games with science fiction to relax and spend time.

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Sci-Fi Sex Games

Science fiction

Plastic Soul [v 1.0]

The main character's wife recently died. He misses her very much and his son decides to help. The son buys an android girl to replace his father's deceased wife. Follow the plot to find out why his wife died. You will be surprised to learn all the details about her life. Also, the father needs to take good care of her and fulfill his marital duty.

150.5K 68% 16 Ren'Py

The Mind Society [v 0.5]

It's your birthday, and as a gift to yourself, you discover an intriguing ability: you can control others' minds. Naturally, this brings a flood of daring fantasies to mind. You’ll decide how to use your new power and how far you’ll go with it. Will you explore your wildest desires or control the situations to your advantage? This game lets you make key decisions about your powers, shaping the steamy and thrilling experiences that follow. How you choose to use your abilities will determine the extent of your control and the outcomes you achieve. You could use your mind control powers to get laid. Definitely the best gift ever.

368.5K 84% 38 Ren'Py

Lust Goddess: The Game (Sp0ns0red)

Assemble your unique squad of sexy mercenary girls. Earn their love and trust, and they will show you their gratitude by bringing your wildest and lewdest fantasies to life! Play Free Now!

7.1M 100%

Divergence: Beyond the Singularity Part 2 [v 0.20.1]

In the next part of the game, you'll need a save from the first part. The story continues in the near future, where you find yourself surrounded by beautiful girls and presented with numerous options for interactions. Androids are a prominent presence in the community, adding an intriguing element to the narrative. Your choices will be pivotal in shaping the direction of the game, so be sure to explore all the possibilities and have a blast immersing yourself in this exciting adventure! Get ready for an engaging experience ahead! The humanoid girls are hungry for some hot sex. They are all yours and they would love to have a taste of your huge cock.

283.1K 69% 20 Shemales Ren'Py

Master of the Earth: Reborn [v 1.0]

You play as a guy who discovered his magical powers nine years ago. But things took a terrible turn, and an innocent girl lost her life because of you. Unable to control your abilities, you were captured by witches and locked away in a magical house. For years, you studied and trained, trying to gain mastery over your powers and ensure something like that never happens again. Now, it seems the witches have decided to let you go. You’re free to leave the magical house, but the past still haunts you. Can you prove that you’ve changed, or will your powers lead to more chaos? Embark on a journey to find redemption and see where your newfound freedom takes you.

284.9K 71% 45 Ren'Py

Haremence

You play as a scientist who, together with a colleague, accidentally creates a groundbreaking device capable of bending human will to your desires. What should have been a revolutionary discovery quickly becomes a dangerous game when mysterious forces try to steal it. Before you can decide what to do, your colleague is kidnapped, and you’re forced to flee. With the help of a skilled hacker named Alice, you find refuge in a secret hideout for scientists who have faced similar threats. Explore a world full of intrigue, danger, and moral choices as you decide the fate of your creation. Will you use its power for good, or let it fall into the wrong hands?

19.9K 72% 7 Ren'Py

The Void Club Ch.3 2.0 - Fantastic Four

This is another remake of the older version. It's bigger, it's spicier and it's better. This update features more graphics and more popular characters. Things are about to get popping in here so make sure you buckle up. You are in for a sexy treat - pun intended. Throw yourself into the Marvel universe and interact with different superheroes and heroines. These iconic characters have been highly sexualized and you get to see their darker, sexier side. Enjoy this banger and make sure you don't click too fast. Fuck all of them Avenger, after all you can do this all day!

91.2K 67% 2 HTML

MIST [v 1.03]

It was a normal day. You were simply visiting your grandfather's mountain house as usual to relax. Then something mysterious happened. You found yourself surrounded by mythical creatures that came from the woods. They were panting and thirsty for your soul. It's your task figuring out how to survive out there, rescue hot damsels and get yourself laid. Some of these monsters will have a piece of you so don't be shy and let them. Shoot huge loads up those monster holes and have fun.

731.7K 77% 124 Recommended Ren'Py

The Voyage Above [v 0.1.8]

You are taken back to 52 years ago when Earth's resources were strained and running low. This rendered earth almost inhabitable causing a team of capable individuals to initiate Project Orion. They find refuge on another planet. The creme de la creme of human beings travelled to this modern world including knowledgeable scientists, farmers, manufacturers, professors. They live in Terrina-5 where the surface is covered with toxic gas. In an attempt to avoid the harmful gas, they build their colony underwater. It's quite grim and suffocating. This is where you come in. Your task is to help the main character who is only 23 years old. He needs to get out of this place and finally live on earth.

76.1K 71% 7 Ren'Py

My Future Wife: Ep.3 [v 0.23]

This is a continuation of the series. You will have to play the 2 previous episodes so that you understand the game's storyline. In this episode, you will meet more new characters who are thirsty and want to perform more sex actions with you. They are horny and desperately want to have a taste of your mighty shlong. You will keep on travelling through time and meeting all kinds of characters. Time travel is a delicate affair and the more you travel, the weaker you are so it may end up in tragedy. To avoid this, just make the right decisions, don't be too greedy and ensure you pace yourself.

529.4K 69% 50 Recommended Ren'Py

Projekt Moon

In this crazy sci-fi game, based on the Mass Effect game, you find yourself in a crazy situation. You play as a normal guy with a boring life, but then some aliens abduct you! After they do some DNA stuff, you become a futanari, and that opens up two paths for you. Will you go with this new life and try to make the world better, like with all those cat girls and monster girls around? Or will you get angry and want revenge for being changed against your will? The choice is up to you - make a smart decision!

34.1K 63% 2 Shemales Ren'Py

Color of My Sound [Ch.3 A v6]

In this futuristic game, you step into the shoes of an Officer of the Spec Ops. Get ready to navigate through a world filled with conspiracies, betrayals, dramas, and more. Your decisions will shape the path of your hero as you lead them through a gripping story. It's crucial to carefully select the people you can trust in this Empire full of challenges. Every choice you make will have a significant impact on the outcome of the game. Are you prepared to dive into this thrilling adventure, where loyalty and trust play a vital role in determining the fate of your hero? Get ready to unravel mysteries, face intense situations, and forge alliances with those who stand by your side. Of course as a hero ladies will be begging for your cum.

218.2K 69% 19 Ren'Py

Melatonin Magiks Ch.4

This hentai series comes with several other chapters, so before you start playing this game, it’s best to first complete all the previous parts. In this eroge, you take on the role of the main character who wakes up after a long sleep and has no idea what's going on. However, there are a lot of interesting characters around you including a neko cat girl, a robot fellow, and a childhood friend that enjoys fighting. Much like any other isekai story, you will need to familiarize yourself with this new world and go on an epic adventure with your friends. There will also be tons of sex scenes featuring tekoki, sumata, and paizuri to experience, so play on and follow the plot to find out what this mysterious place has in store for you!

36.4K 66% 2 Ren'Py

Beneath Steel Clouds

In this game you'll take a role of the farmboy from the future. He dreams to get away from his destiny and reach some other heights. Of course, at some point of time he would like to fuck somebody. That's why you should improve your skills and keep learning and doing things day by day. As always Lesson of Passion did a really good job and made a great game.

315.2K 62% 36 Recommended Unity

SlutCraft: Heat of the Sperm [v 0.41]

In this StarCraft parody, you play as Sarah Kerrigan in her quest to become the Queen of Blades. At the start of the game, she is a devoted soldier ready to serve and as you progress through it, you will get to meet several notable characters from the franchise such as Alexei Stukov and Abathur. This is your chance to make your way up the ranks and lead. With Sarah being as sexy as she is, you will also get several chances to enjoy as much hardcore sex as you like. Try out your hand in this over-18 game to see what perils and pleasures await ahead in your quest to become all-powerful.

986.3K 78% 86 Shemales Ren'Py

Sci-Fi Pleasures

In this short sci-fi hentai animation, you will witness a certain robot with tentacles satisfies his needs by fucking a girl with blue hair. The two of them are having a great time. Use the menu to control the couple and activate the sex scenes you want to see at the moment. Massage her genitals, stick your tentacles up her ass and leave your cum everywhere.

208.4K 61% 5 Flash

Lust Goddess: The Game (Sp0ns0red)

Assemble your unique squad of sexy mercenary girls. Earn their love and trust, and they will show you their gratitude by bringing your wildest and lewdest fantasies to life! Play Free Now!

7.1M 100%

Comix Harem

In this game you get to play as this super irresistible superhero. Your battle prowess and sexual skills are simply mind-blowing. No one, not even the heroines can resist that magic stick of yours. Everyone wants to suck and blow your lollipop. Your mission will be to travel around this sex starved world and try to ward off horny heroines. Be their knight in shining armor, help them and ensure you fuck them really nice and when the opportunity rises to create your very own harem staring all these hot babes, go for it. You deserve it.

1.5M 56% 46 Recommended HTML

Fuckout 69 [Full Version]

The idea of this game was inspired by the Fallout video game series. You will take the role of a blonde hot girl who is trying to solve several puzzles so that she can escape from the palace. To do this, you will have to look for items, find the right combinations and use them to click on static objects or characters so that you can progress with the game. To move, make use of WASD. For action, click on E. You can drag objects using your mouse or combine them in the inventory to unlock other objects. Of course the sex scenes are mind-blowing as always.

1.4M 75% 91 Recommended Shemales HTML

Alternate Existence Season 2 [v 2.3.0]

In this game, our main character does not have a memory recollection of who his parents are. Since he can remember, he has lived with foster families for a while until things got ugly. This forced him to run away and never to return. Now he is all grown up and has turned 22 years old. It's his time to explore life and enjoy his newly found freedom. He can do whatever he sets his mind to including fucking sexy babes. Play to find out how it all pans out. Of course it all depends with the choices you make.

66.3K 69% 12 Ren'Py

8 Days with the Diva [v 1.1.0]

Calling all Overwatch fans, this is the ultimate parody game. In this uncensored title, you get to interact with several heroines from the original game like the sexy Widowmaker. The story is set in 2070 and you take on the role of a protagonist who is tasked with forcibly training D.Va within 8 days to recruit her into the ranks of a disgusting company. Naturally, she is very resistant to the idea, so it's going to be tough to convince her. But your boss believes in you, so you don’t want to disappoint them. Play your cards right and try your best to make this fierce girl submit to all your demands!

105.1K 71% 4 Ren'Py

Sexbot [v 1.6]

If you love a good sci-fi fantasy adventure, then you’ve come to the right place. This 3D visual novel tells an engaging and thrilling story about sex machines that can be ordered online. The main character is a nerd who finds himself needing a hot date for prom, so he decides to order a sexy ass android that can play the part. As a sex robot, Alexa does everything from giving him blow jobs, letting him perform anal sex, and even allowing him to cumshot her whenever he wants. Soon enough, things start to go too far that even other characters in the story get involved in this intense perversion. What kind of hardcore porn will our main hero get up to? Will he be able to control his sex bot? Is group sex going to be on the table? Buckle in and find out!

1.2M 79% 96 Recommended Ren'Py

Star Channel 34

This is a parody game that has you take on the role of the Genie. You will be exploring a different set of stories that involve training several famous girls from a multitude of cartoons, TV shows, games, and other sources to save humans. Some of these characters include Princess Jazmin from Aladdin and Hermoine Granger from Harry Potter, Lara Croft from Tomb Raider, and April O'Neil from TMNT, just to name a few. This is your chance to see all favorite cartoon girls getting hot and freaky. Just remember to check link of Renpy Bugs to remove the status bar or the game will be unplayable.

574.4K 70% 59 Recommended Ren'Py

Silent Echo v 0.2.1

Welcome to Silent Echo, a dark and immersive adventure set deep within the mysterious walls of a high-security facility that's gone eerily quiet. You're an elite agent sent in to investigate the disturbance, but soon you realize nothing here is what it seems. Strange, latex-like creatures now wander the facility, each with unsettling powers that can change anyone - or anything - they encounter. Explore every corner, piece together the secrets of this once-bustling installation, and discover the truth behind the disaster. But be careful - the longer you stay, the more things seem to go wrong. One wrong move and you could end up changed in ways you never expected.

36.7K 82% 9 Shemales HTML

Projekt Moon: Hope Awakens

You play as a regular guy leading a boring, boring life - until you get kidnapped by aliens! They take you through some crazy DNA re-sequencing stuff and turn you into a futanari. Now you have to choose your path. In this alien world full of monster girls and cat girls, you have to decide what to do. Do you want to embrace your new life and use this second chance to change things for the better? Or will you get angry for what happened to you? There are exciting encounters, unique characters, and hot sex scenes waiting for you.

5.8K 58% Shemales Ren'Py

The Void Club Ch.11

This new chapter titled Call of Cockhulhu, an Eldritch Tale (extended title) which explores the story of the Overlord going missing. It seems magic was involved and you suddenly come across the mysterious Rachel Roth aka Raven from Teen Titans who decides to help you. You must track down the Overlord but feel free to have sex with as many hot babes as you want in the process. After all, you will interact with several other familiar characters including the other Teen Titan Starfire, and other girls from past chapters like Samus, Cara, Susan, and Triss. Play to discover what erotic surprises lie in store for you this time.

287.1K 69% 18 HTML

My Future Wife: Ep.2

To understand the storyline, you will have to play the previous episode. You will now understand that the main character discovered that he had super powers whenever he masturbated. He noticed this when he jerked off for the very first time. To unlock the super powers he must jerk off with his full concentration on his cock and should not blink at any one point. This is is the same thing that happened to Ha-Young Kim when he looked into her eyes for too long. The super powers include time travelling and predicting future events. If you unlock these powers, you can use them however you like.

279.4K 64% 15 Ren'Py

Love and Submission

You were in Asia for a while and now you're back home. You haven't talked much to your family and lot of things have changed, for example, new neighbors, you're mom is dating someone etc. You can play this game through multiple paths as you build your relationship with others. Be careful on your decisions.

977.2K 79% 271 Recommended Ren'Py

Nick Marlowe Noir [v 0.525f]

Everything is packed into this multi-episode visual novel. There's a little bit of science fiction, criminal drama and aspects of other genres. So, if you are looking for a game that has a little bit of everything then you are in the right place. There are several stories that will entertain you for a while. You will be taking the role of a private detective who is investigating a case as usual. At first it looks like one of those generic stories until you figure out there's something bigger brewing. Remember to save your progress as you move on. You can pick the episode you want to play at the beginning of the game.

106.7K 71% 8 Ren'Py

A Petal Among Thorns

Even in the darkest periods, light always finds it's way. In this game, the main character is a middle-aged man who is having a mid-life crisis. Everything is just not working and it's time he accepts that he is a failed artist. His comedy tour was not a success so he decides to go under for a while. Together with his daughter, they go to a quiet place to nurse his wounds. Here, there's no people at all so he can finally take a breather. Hopefully, he can find inspiration and everything will go back to normal. They get too close to each other and unknown feelings start to simmer. He starts craving her touch and they succumb to the temptation. They fuck like bunnies which leads to sexual addiction.

123.7K 80% 19 Ren'Py

Lust Goddess: The Game (Sp0ns0red)

Assemble your unique squad of sexy mercenary girls. Earn their love and trust, and they will show you their gratitude by bringing your wildest and lewdest fantasies to life! Play Free Now!

7.1M 100%

Over the Moon

In "Over the Moon", the story picks up two years after "A Moment of Bliss". It's set in a future where people can upload their memories into androids, and virtual augmented reality glasses (VARGs) allow them to interact with each other remotely. You're thrown into a new chapter in life when your daughter, Moon, becomes a star, but she hates you! You have to write songs for her TV show, "Madds Medusa", and you have to spend a whole week with her. Will you be able to fix your relationship, or will it get worse? Get ready for a wild ride of emotions as we explore themes like family, fame and redemption in this world where technology is blurring the lines between reality and memories.

39.3K 73% 5 Ren'Py

Sheroni Girls - The Tournament of Power [v 0.14a]

In this game, you step into the shoes of Lucy, a half human half hybrid girl who's 18 years old and is wrapping up her training to become a protector. The Sheronis lost a battle on their home planet, forcing survivors to seek refuge on a new world. Join Lucy on her adventures as she strives to achieve her dreams and uncover more about her journey into adulthood. Are you ready to guide Lucy through her quests and discoveries, including helping her get laid and having orgasms? In her quest, she will find alien creatures all drooling over her sexy body. You could always choose to fight them off or let her have a mouthful of monster cocks.

225.2K 68% 38 RPG Maker

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